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authorArnaldo Carvalho de Melo <acme@mandriva.com>2006-03-21 04:19:17 +0300
committerDavid S. Miller <davem@davemloft.net>2006-03-21 04:19:17 +0300
commite229c2fb3370a0c4ebac06cad67ce1cb35abcfe6 (patch)
treefc7ceeeeea4397e06c6ee5cfb597ba0d441beeea /include/linux/list.h
parent7b204afd45820fc21b5983205ad535c6b8088765 (diff)
downloadlinux-e229c2fb3370a0c4ebac06cad67ce1cb35abcfe6.tar.xz
[LIST]: Introduce list_for_each_entry_from
For iterating over list of given type continuing from existing point. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/list.h')
-rw-r--r--include/linux/list.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/list.h b/include/linux/list.h
index beb6e48e116f..67258b47e9ca 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -411,6 +411,17 @@ static inline void list_splice_init(struct list_head *list,
pos = list_entry(pos->member.next, typeof(*pos), member))
/**
+ * list_for_each_entry_from - iterate over list of given type
+ * continuing from existing point
+ * @pos: the type * to use as a loop counter.
+ * @head: the head for your list.
+ * @member: the name of the list_struct within the struct.
+ */
+#define list_for_each_entry_from(pos, head, member) \
+ for (; prefetch(pos->member.next), &pos->member != (head); \
+ pos = list_entry(pos->member.next, typeof(*pos), member))
+
+/**
* list_for_each_entry_safe - iterate over list of given type safe against removal of list entry
* @pos: the type * to use as a loop counter.
* @n: another type * to use as temporary storage